Spain and Portugal Blackout: Can Renewables Save the Day?

2025-04-29
Spain and Portugal Blackout: Can Renewables Save the Day?

Spain and Portugal are facing a massive blackout, with power restoration posing a significant challenge. Their grids have limited external connections, but both countries boast abundant renewable energy sources, particularly hydropower and wind power. Hydro plants require minimal external power to start, and wind power can provide black start capabilities, though it's unclear if local wind turbines are equipped for this and if weather conditions will cooperate. While solar isn't ideal for black starting, its DC nature helps stabilize grid frequency. However, a lack of large-scale battery storage presents a major hurdle to restoring power. Restoration could take several days, depending on grid operators' ability to effectively leverage existing resources.

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2PB of Traffic: The Cost of a Simple Auto-Updater Bug

2025-04-29
2PB of Traffic: The Cost of a Simple Auto-Updater Bug

A simple bug in the auto-updater of the screen recording app Screen Studio caused it to repeatedly download a 250MB update file every 5 minutes for a month, resulting in 9 million downloads and over 2 petabytes of Google Cloud traffic. Thousands of users had the app running in the background, leading to massive bills and internet service disruptions for some users. This incident highlights the importance of setting cloud cost alerts, writing code carefully, and regularly checking cloud resources.

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Dissecting the Thigh: A Symphony of Biological Design

2025-04-29
Dissecting the Thigh: A Symphony of Biological Design

A medical student's dissection of a thigh reveals a stunningly intricate structure. The fascia isn't disorganized; it's a cohesive sheath enveloping the muscles, with the great saphenous vein tracing a clear path. This arrangement efficiently aids venous return, particularly during intense activity where muscle contractions boost blood flow to meet oxygen demands. The thigh muscles' elegant organization further underscores this design. The author concludes this isn't arbitrary but a product of natural selection, where motion is fundamental to evolution, and the lower limb is its pivotal point.

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Misc

Connected Cars: Privacy's Price Tag?

2025-04-29
Connected Cars: Privacy's Price Tag?

Automakers are increasingly pushing subscription models to unlock car features, raising concerns about government surveillance. Police records reveal law enforcement's ability to access data from connected cars, with varying access levels depending on manufacturers and internet providers. This highlights how corporate policies and technology, not laws, largely determine driver privacy. GM, for example, requires court orders for location data, while others haven't responded to inquiries. Experts emphasize the role tech companies play in setting data access standards, mirroring practices seen with Google, Facebook, and Apple.

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Tech

Trump Admin Order: Unleashing Law Enforcement

2025-04-29
Trump Admin Order: Unleashing Law Enforcement

This executive order aims to strengthen and empower US law enforcement to combat crime and protect innocent citizens. It provides legal defense for officers, increases resources and improves training. It also holds accountable state and local officials who obstruct justice or engage in discrimination, and utilizes national security assets to assist local law enforcement. The goal is a law-abiding society where officers protect the innocent and violations are not tolerated.

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Misc crime

PhD Thesis: A Farcical Academic Misadventure

2025-04-29

A PhD student recounts a series of absurd and bizarre experiences during his doctoral studies in engineering science. From an absent advisor and lack of research equipment to plagiarism in academic papers, he witnesses the dark side of academia. Ultimately, he completes his studies in an almost farcical manner and escapes the stifling academic environment. This humorous account exposes some problems within academia, prompting reflection on academic integrity and the research environment.

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Greek Particles: More Than Just Filler Words?

2025-04-29

This paper challenges the traditional understanding of Greek particles. By comparing spoken English, rife with hesitations and filler words, to written Ancient Greek texts, the author argues that many Greek particles, previously interpreted as having specific grammatical or semantic functions, are actually meaningless expletives similar to 'um' or 'uh' in English. The author uses examples from Xenophon's Anabasis and Watergate transcripts to highlight the parallels between seemingly meaningless additions in spoken language and the frequent occurrence of Greek particles. The conclusion suggests a re-evaluation of how we interpret these particles, proposing they are more akin to speech artifacts than meaningful grammatical elements.

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Forensic Fandom: Dissecting the Rise of 'Detective' Fans

2025-04-29
Forensic Fandom:  Dissecting the Rise of 'Detective' Fans

This article explores the phenomenon of 'forensic fandom,' where fans act as detectives, digging deep into the details of a work, the performers' lives, and constructing their own narratives. The rise of this trend is linked to technological advancements, mainstream media engagement, and the emergence of 'professional fans.' Social media platforms accelerate the spread of information and theory validation, but also fuel 'narrative dominance' battles among fans. The author argues this deep-dive interpretive model transforms fan-work interaction, creating new conflicts within fan culture.

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Chasing Darkness in the Age of Light

2025-04-29
Chasing Darkness in the Age of Light

Two friends bicycle through the Nevada desert, escaping the glow of Las Vegas to find a dark night sky. They observe constellations, learn about the night sky, and use a sky quality meter to measure light pollution. The article explores the impact of light pollution on stargazing and the importance of reconnecting with nature and the night sky in modern life.

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Windows 7 Login Delay Mystery: Solid Color Backgrounds Are the Culprit?

2025-04-29
Windows 7 Login Delay Mystery: Solid Color Backgrounds Are the Culprit?

The author, a long-time user of solid color backgrounds since Windows 95, discovered a 30-second delay on the Windows 7 welcome screen when using a solid color wallpaper. This isn't a longer login time, but rather a timeout triggered when the system waits for a signal indicating wallpaper loading completion. Solid color backgrounds, lacking bitmap information, prevent this signal from being sent. A similar issue exists with the "Hide desktop icons" group policy, where a coding error prevents the ready signal from being sent. Microsoft fixed this in Windows 7 a few months after its release. The author also explains their preference for default settings, simplifying bug reporting and resolution.

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Development System Performance

Rad Type: Revolutionizing Gamepad Typing

2025-04-29

Rad Type introduces a revolutionary approach to gamepad text input. It utilizes a circular arrangement of letters controlled via the thumbstick, dramatically increasing typing speed compared to traditional gamepad keyboards. The article details four iterations of Rad Type, each refining the user experience, from an initial clock-face design to a streamlined final version. The author's journey, including challenges and solutions, offers valuable insights into improving gamepad text input.

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Duolingo Goes All-In on AI: A Bold Move for Scalability and Innovation

2025-04-29
Duolingo Goes All-In on AI:  A Bold Move for Scalability and Innovation

Duolingo officially announced its transition to an AI-first company, marking a significant leap in leveraging artificial intelligence to boost efficiency and expand content creation. AI will enable faster content development and unlock features previously impossible, such as video call tutoring. This move aims to accelerate the growth of its global language learning platform and better fulfill its mission. While requiring fundamental workflow changes, Duolingo pledges support for employees to adapt and master AI tools.

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One Million Chessboards: A Massively Multiplayer Chess Game Unlike Any Other

2025-04-28
One Million Chessboards: A Massively Multiplayer Chess Game Unlike Any Other

A developer built a website called 'One Million Chessboards' featuring, you guessed it, one million chessboards! All players share the same boards, moving pieces instantly without turns. The developer overcame significant technical hurdles, building the backend in Go (their first Go project!), utilizing a single writer thread and numerous reader threads, and implementing optimistic locking for concurrency. This project is a technical feat; play it and experience massively multiplayer chess like never before!

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Go Container Build Performance: Nix Isn't Always Faster

2025-04-28
Go Container Build Performance: Nix Isn't Always Faster

This article benchmarks different methods for building Go containers, comparing Docker and Nix. The author uses a simple Go program with Prometheus metrics to measure build times and image sizes. Docker caching significantly improved build speeds, while Nix, despite its reproducibility, wasn't faster. Scratch base images produced much smaller containers than distroless. UPX compression further reduced image sizes. Athens and Squid proxy caching were also tested. The author provides practical tips for faster Go container builds, including using a .dockerignore file to exclude the .git directory.

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Backblaze's Financial Troubles Spark Data Backup Concerns

2025-04-29
Backblaze's Financial Troubles Spark Data Backup Concerns

Cloud backup provider Backblaze, which went public in 2021, has been consistently losing money, with its stock price plummeting 71%. A recent report suggests Backblaze may face bankruptcy, raising concerns about the security of user data. Backblaze denies the report, claiming its financial data is accurate and its service is stable and reliable. However, the company's continued massive losses and negative reports still leave users worried about the security of their data backups, highlighting the importance of a robust backup strategy.

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Tech

ChatGPT's Shopping Upgrade: A Direct Challenge to Google

2025-04-28
ChatGPT's Shopping Upgrade: A Direct Challenge to Google

OpenAI announced an upgrade to ChatGPT's web search, enhancing the online shopping experience. Now, when users search for products, ChatGPT offers recommendations, images, reviews, and direct purchase links. OpenAI is rolling this out gradually across categories like fashion, beauty, and electronics. This move aims to compete with Google by offering a more personalized and convenient online shopping experience, leveraging ChatGPT's natural language processing capabilities to provide more accurate recommendations based on user history. While OpenAI's CEO previously opposed ads in ChatGPT, he's expressed openness to "tasteful" affiliate advertising.

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Demystifying AEAD: Authenticated Encryption with Associated Data

2025-04-28
Demystifying AEAD: Authenticated Encryption with Associated Data

This article provides a clear explanation of Authenticated Encryption with Associated Data (AEAD) and its usage. AEAD, the current industry standard in encryption, combines encryption and authentication, handling associated data to prevent data tampering. By comparing traditional separate encryption and authentication methods with AEAD's concise API, the article highlights AEAD's security advantages and recommends developers use AEAD to ensure data security.

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Development

Requirements Change Until They Don't: Formal Methods and System Evolution

2025-04-28
Requirements Change Until They Don't: Formal Methods and System Evolution

This article explores how to handle constantly changing requirements in software development. While extensive upfront formal modeling might be impractical with frequent changes, the author argues that formal methods become crucial when systems reach scale or undergo architectural shifts (phase transitions). Formal specification and verification ensure that improvements don't break existing functionality. Using the example of switching from synchronous to asynchronous updates, the author demonstrates how formal methods can verify that a new system satisfies old requirements, highlighting the importance of software maintenance and preventing the silent failure of features.

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Development requirements change

A 12-bit Rainbow Palette for National Grid: Live

2025-04-28

This article details a 12-bit rainbow palette designed for National Grid: Live. The palette consists of twelve colors carefully chosen considering human perception of luminance, chroma, and hue. Using a 12-bit color depth, each color requires only four hexadecimal characters, making it efficient for use in CSS or SVG. The design addresses the limitations of standard RGB palettes by leveraging the LCH color space, resulting in a visually pleasing and smoothly transitioning rainbow spectrum. This palette offers both efficiency and aesthetic appeal.

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The Amazing Art Forgeries in Basquiat

2025-04-28
The Amazing Art Forgeries in Basquiat

To accurately portray the artist's works, the production team of the film Basquiat went to great lengths. Julian Schnabel, actor Jeffrey Wright, and a scenic artist collaborated to create Basquiat's forgeries. Schnabel also donated many pieces from his own collection, including real Warhols. Most remarkably, they obtained permission from the Picasso family to create a painted copy of Guernica, which was subsequently destroyed according to the agreement, with video documentation provided to the Picasso estate. This demonstrates the production team's meticulous attention to artistic detail.

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Type-safe Packed Data in Haskell: A Library Approach

2025-04-28

This blog post summarizes a paper to be presented at ECOOP 2025, introducing a Haskell library for type-safe and portable support of packed data. The library uses Template Haskell to generate code for packing, unpacking, and traversing packed data without requiring compiler modifications. Benchmarks show some speed improvements, but also reveal computational overhead from the monadic approach. Future work focuses on generating C code for performance optimization.

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Development packed data

SPROUT: A Vine Robot for Urban Search and Rescue

2025-04-28
SPROUT: A Vine Robot for Urban Search and Rescue

MIT Lincoln Laboratory and the University of Notre Dame have collaborated on SPROUT, a soft robotic vine that navigates collapsed structures to locate trapped individuals. This inflatable tube robot, equipped with cameras and sensors, flexibly maneuvers through tight spaces, mapping the environment for first responders. Addressing limitations of current search-and-rescue technologies, SPROUT offers a low-cost, easily operated solution for exploring unstable environments. Future development aims to enhance hazard detection and safety assessment, providing a comprehensive operational picture before human entry.

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Generating Mazes in Haskell with Inductive Graphs

2025-04-28

This article details how the author generates mazes using the Haskell programming language and inductive graphs. The author first introduces the maze generation algorithm, a randomized depth-first search (DFS), then explains how to represent and traverse graphs using inductive graphs in Haskell. The article thoroughly explains the concept and usage of inductive graphs, providing code examples using the fgl library to implement randomized DFS. Finally, the author shows how to draw the generated maze and suggests further improvements and extensions, such as using different graph algorithms or shapes to generate mazes.

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Development Maze Generation

OnlyFans Takes Down Widevine Decryption Project via DMCA

2025-04-28

Google's Widevine content protection system, used by major platforms like Netflix and OnlyFans, has long been a target for circumvention. OnlyFans recently filed a DMCA takedown notice with GitHub, resulting in the removal of a Widevine decryption project called CDRM-Project. The project contained code and instructions for bypassing Widevine DRM, allowing users to decrypt and play protected OnlyFans content. Despite GitHub's attempts to contact the developers, the entire project and its forks were removed at OnlyFans' request. This highlights the ongoing tension between DRM systems and digital rights protection, sparking debate about whether DRM excessively restricts legitimate users.

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Tech

From Bevy to Unity: A Game Dev's Engine Migration Tale

2025-04-28
From Bevy to Unity: A Game Dev's Engine Migration Tale

The author initially used Rust and the Bevy engine to develop the game "Architect of Ruin." However, due to challenges in collaboration, insufficient abstraction levels, high migration costs due to frequent engine updates, and low AI-assisted development efficiency, they eventually switched to Unity and C# in January 2025. After a three-day experimental port, they found that Unity offered significant advantages in collaboration, rapid iteration, and leveraging a mature ecosystem, leading to a full migration. Although the migration process was challenging, it ultimately significantly improved development efficiency and brought new momentum to game development.

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AI Co-design: Building a Super-Dense Electronic Music Compressor in a Day

2025-04-28

The author, who had long wanted to build a super-dense electronic music compressor, used the ChatGPT o3 model to design and prototype the entire system in just one day. Through iterative conversation, they designed a phase-aware spectrogram-based generative model that reconstructs spectrograms from a small number of reusable patterns and a sparse occurrence list. The key is that occurrences are represented by two unit complex numbers whose phases map to continuous coordinates, allowing patterns to be placed anywhere, achieving extremely high compression rates. This experiment demonstrates how AI can accelerate research, turning long-standing ideas into tangible results quickly.

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Qwen3: A Multi-Lingual LLM with Switchable Thinking Modes

2025-04-28
Qwen3: A Multi-Lingual LLM with Switchable Thinking Modes

Alibaba DAMO Academy released Qwen3, its latest large language model, offering various model sizes with open-sourced weights. Qwen3 features switchable "thinking" and "non-thinking" modes, letting users control reasoning depth and speed based on task complexity. It supports 119 languages and dialects. Enhanced coding and agentic capabilities are also included, along with diverse deployment and development tools.

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AI

ChatGPT Adds Shopping: Personalized E-commerce Search

2025-04-28
ChatGPT Adds Shopping:  Personalized E-commerce Search

OpenAI announced that ChatGPT will soon allow users to buy products directly through the chat interface. This feature, rolling out to all users regardless of login status, redirects shoppers to the merchant's website for checkout. Leveraging ChatGPT's memory of user preferences and web-sourced product reviews, the AI provides personalized recommendations. OpenAI emphasizes that results are organic, not ads or sponsored placements, offering a more conversational and personalized shopping experience based on understanding user reviews and discussions.

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Running Clojure in WASM: A Surprising Journey

2025-04-28
Running Clojure in WASM: A Surprising Journey

GraalVM v25 now supports a WASM backend for Java, enabling Clojure to run in the browser! While still early-stage (no threading or networking), single-threaded Clojure programs compile and run. This post showcases a simple "Hello, World!" example, analyzing WASM binary size and performance. Clojure's WASM output is larger and slower than Java's, but optimization improves speed. It also details Clojure-JavaScript interop using GraalVM's clever bridging techniques. The surprising finding? Native image execution often outperforms WASM.

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Development
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